1 /* 2 * Copyright (c) 1987, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)print.c 8.1 (Berkeley) 06/06/93"; 10 #endif /* not lint */ 11 12 #include <unistd.h> 13 #include <stdio.h> 14 #include <stdlib.h> 15 #include <string.h> 16 #include "ctags.h" 17 18 extern char searchar; /* ex search character */ 19 20 /* 21 * getline -- 22 * get the line the token of interest occurred on, 23 * prepare it for printing. 24 */ 25 getline() 26 { 27 register long saveftell; 28 register int c, 29 cnt; 30 register char *cp; 31 32 saveftell = ftell(inf); 33 (void)fseek(inf,lineftell,L_SET); 34 if (xflag) 35 for (cp = lbuf;GETC(!=,'\n');*cp++ = c); 36 /* 37 * do all processing here, so we don't step through the 38 * line more than once; means you don't call this routine 39 * unless you're sure you've got a keeper. 40 */ 41 else for (cnt = 0,cp = lbuf;GETC(!=,EOF) && cnt < ENDLINE;++cnt) { 42 if (c == (int)'\\') { /* backslashes */ 43 if (cnt > ENDLINE - 2) 44 break; 45 *cp++ = '\\'; *cp++ = '\\'; 46 ++cnt; 47 } 48 else if (c == (int)searchar) { /* search character */ 49 if (cnt > ENDLINE - 2) 50 break; 51 *cp++ = '\\'; *cp++ = c; 52 ++cnt; 53 } 54 else if (c == (int)'\n') { /* end of keep */ 55 *cp++ = '$'; /* can find whole line */ 56 break; 57 } 58 else 59 *cp++ = c; 60 } 61 *cp = EOS; 62 (void)fseek(inf,saveftell,L_SET); 63 } 64 65 /* 66 * put_entries -- 67 * write out the tags 68 */ 69 put_entries(node) 70 register NODE *node; 71 { 72 extern FILE *outf; /* ioptr for tags file */ 73 extern int vflag; /* -v: vgrind style output */ 74 75 if (node->left) 76 put_entries(node->left); 77 if (vflag) 78 printf("%s %s %d\n", 79 node->entry,node->file,(node->lno + 63) / 64); 80 else if (xflag) 81 printf("%-16s%4d %-16s %s\n", 82 node->entry,node->lno,node->file,node->pat); 83 else 84 fprintf(outf,"%s\t%s\t%c^%s%c\n", 85 node->entry,node->file,searchar,node->pat,searchar); 86 if (node->right) 87 put_entries(node->right); 88 } 89